Need help?Do you have a question about the Yamaha JX30B and is the answer not in the manual?
Explains HIGH and LOW inputs for connecting guitars, noting differences in sound level and tone.
Details how to adjust the volume level by turning the knob clockwise or counter-clockwise.
Explains adjusting treble for bright, funky, or smooth tones suitable for various playing styles.
Describes controlling mid-range frequencies to shape bass tone nuances and enhance punch.
Details how to adjust bass frequencies for solid, heavy, or more present low-end sounds.
Details the Bass Boost function for JX50B, enhancing heavy, powerful bass sounds.
Provides information on using the headphone jack for silent practice or tuning without disturbing others.
Explains how to turn the amplifier on and off, noting the pilot lamp indicator and power plug orientation.
Advises connecting the guitar to the amp cable in a specific order to prevent speaker damage.
Instructs to turn down the volume before disconnecting cables or switching power ON/OFF to avoid speaker damage.
Specifies the required power voltage and frequency (AC 100V, 50/60Hz) for connecting the amplifier.
Warns against rough handling, dropping, or impacts that could damage the product and degrade performance.
Recommends unplugging the power cord from the outlet during thunderstorms to ensure safety.
Provides instructions on replacing fuses, emphasizing unplugging the power cord and using identical ratings.
Promotes considerate musical practices, suggesting low volume and noise reduction.
Presents detailed technical specifications for both JX30B and JX50B models, including power, dimensions, and components.
Outlines warranty terms, procedures for after-sales service, and service availability after the warranty period.
Explains HIGH and LOW inputs for connecting guitars, noting differences in sound level and tone.
Details how to adjust the volume level by turning the knob clockwise or counter-clockwise.
Explains adjusting treble for bright, funky, or smooth tones suitable for various playing styles.
Describes controlling mid-range frequencies to shape bass tone nuances and enhance punch.
Details how to adjust bass frequencies for solid, heavy, or more present low-end sounds.
Details the Bass Boost function for JX50B, enhancing heavy, powerful bass sounds.
Provides information on using the headphone jack for silent practice or tuning without disturbing others.
Explains how to turn the amplifier on and off, noting the pilot lamp indicator and power plug orientation.
Advises connecting the guitar to the amp cable in a specific order to prevent speaker damage.
Instructs to turn down the volume before disconnecting cables or switching power ON/OFF to avoid speaker damage.
Specifies the required power voltage and frequency (AC 100V, 50/60Hz) for connecting the amplifier.
Warns against rough handling, dropping, or impacts that could damage the product and degrade performance.
Recommends unplugging the power cord from the outlet during thunderstorms to ensure safety.
Provides instructions on replacing fuses, emphasizing unplugging the power cord and using identical ratings.
Promotes considerate musical practices, suggesting low volume and noise reduction.
Presents detailed technical specifications for both JX30B and JX50B models, including power, dimensions, and components.
Outlines warranty terms, procedures for after-sales service, and service availability after the warranty period.
To Next Page
General
